- initial import

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@37 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-10-25 07:27:55 +00:00
commit 843c6e300c
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+// --------------------------------------------------------------
+// --------------------------------------------------------------
+#ifndef _NOISE_H_
+#define	_NOISE_H_
+
+#include "synth_defs.h"
+
+#define NOISE_LFSR_POLY			0xD0000001
+#define NOISE_LFSR_MAX			0xFFFFFFFF
+
+// --------------------------------------------------------------
+// Types
+// --------------------------------------------------------------
+typedef struct _snoise_gen_t
+{
+	long state;
+} noise_gen_t;
+
+// --------------------------------------------------------------
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+// --------------------------------------------------------------
+// Exported functions
+// --------------------------------------------------------------
+void Noise_Init(noise_gen_t *pObj, UINT32 seed);
+void Noise_Free(noise_gen_t *pObj);
+synth_float_t Noise_Uniform(noise_gen_t *pObj, synth_float_t vmax, synth_float_t mu);
+synth_float_t Noise_Gaussian(noise_gen_t *pObj, synth_float_t std, synth_float_t mu);
+
+#if defined(__cplusplus)
+}
+
+#endif
+// --------------------------------------------------------------
+
+#endif // _NOISE_H_